19176003

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 36279360

約数和(自身を除く): 17103357

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 59, 63, 67, 77, 99, 147, 177, 201, 231, 413, 441, 469, 531, 539, 603, 649, 693, 737, 1239, 1407, 1617, 1947, 2211, 2891, 3283, 3717, 3953, 4221, 4543, 4851, 5159, 5841, 6633, 8673, 9849, 11859, 13629, 15477, 26019, 27671, 29547, 31801, 35577, 36113, 40887, 43483, 46431, 83013, 95403, 108339, 130449, 193697, 249039, 286209, 304381, 325017, 391347, 581091, 913143, 1743273, 2130667, 2739429, 6392001, 19176003]

約数ペア:

[(1, 19176003), (3, 6392001), (7, 2739429), (9, 2130667), (11, 1743273), (21, 913143), (33, 581091), (49, 391347), (59, 325017), (63, 304381), (67, 286209), (77, 249039), (99, 193697), (147, 130449), (177, 108339), (201, 95403), (231, 83013), (413, 46431), (441, 43483), (469, 40887), (531, 36113), (539, 35577), (603, 31801), (649, 29547), (693, 27671), (737, 26019), (1239, 15477), (1407, 13629), (1617, 11859), (1947, 9849), (2211, 8673), (2891, 6633), (3283, 5841), (3717, 5159), (3953, 4851), (4221, 4543)]